Finding the Fourth Proportional to 1,657,386.92, 2,287,170.98 and 932,235.13
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Solution
The fourth proportional to 1,657,386.92, 2,287,170.98 and 932,235.13 is: 1,286,471.55
Step by Step Solution
- Step 1: Write the proportion equation
1,657,386.92 : 2,287,170.98 = 932,235.13 : x - Step 2: Convert to fraction form
1,657,386.92/2,287,170.98 = 932,235.13/x - Step 3: Cross multiply
1,657,386.92x = 2,287,170.98 × 932,235.13 - Step 4: Simplify right side
1,657,386.92x = 2,132,181,127,824.01 - Step 5: Solve for x
x = 2,132,181,127,824.01/1,657,386.92 - Step 6: Final answer
x = 1,286,471.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.